31342019900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{907}}^1$

素因数の和:1180

約数の個数: 144

約数和(自身を含む): 71727409152

約数和(自身を除く): 40385389252

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 71, 100, 124, 142, 155, 157, 284, 310, 314, 355, 620, 628, 710, 775, 785, 907, 1420, 1550, 1570, 1775, 1814, 2201, 3100, 3140, 3550, 3628, 3925, 4402, 4535, 4867, 7100, 7850, 8804, 9070, 9734, 11005, 11147, 15700, 18140, 19468, 22010, 22294, 22675, 24335, 28117, 44020, 44588, 45350, 48670, 55025, 55735, 56234, 64397, 90700, 97340, 110050, 111470, 112468, 121675, 128794, 140585, 142399, 220100, 222940, 243350, 257588, 278675, 281170, 284798, 321985, 345557, 486700, 557350, 562340, 569596, 643970, 691114, 702925, 711995, 1114700, 1287940, 1382228, 1405850, 1423990, 1609925, 1727785, 1996307, 2811700, 2847980, 3219850, 3455570, 3559975, 3992614, 4414369, 6439700, 6911140, 7119950, 7985228, 8638925, 8828738, 9981535, 10110329, 14239900, 17277850, 17657476, 19963070, 20220658, 22071845, 34555700, 39926140, 40441316, 44143690, 49907675, 50551645, 88287380, 99815350, 101103290, 110359225, 199630700, 202206580, 220718450, 252758225, 313420199, 441436900, 505516450, 626840398, 1011032900, 1253680796, 1567100995, 3134201990, 6268403980, 7835504975, 15671009950, 31342019900]

約数ペア:

[(1, 31342019900), (2, 15671009950), (4, 7835504975), (5, 6268403980), (10, 3134201990), (20, 1567100995), (25, 1253680796), (31, 1011032900), (50, 626840398), (62, 505516450), (71, 441436900), (100, 313420199), (124, 252758225), (142, 220718450), (155, 202206580), (157, 199630700), (284, 110359225), (310, 101103290), (314, 99815350), (355, 88287380), (620, 50551645), (628, 49907675), (710, 44143690), (775, 40441316), (785, 39926140), (907, 34555700), (1420, 22071845), (1550, 20220658), (1570, 19963070), (1775, 17657476), (1814, 17277850), (2201, 14239900), (3100, 10110329), (3140, 9981535), (3550, 8828738), (3628, 8638925), (3925, 7985228), (4402, 7119950), (4535, 6911140), (4867, 6439700), (7100, 4414369), (7850, 3992614), (8804, 3559975), (9070, 3455570), (9734, 3219850), (11005, 2847980), (11147, 2811700), (15700, 1996307), (18140, 1727785), (19468, 1609925), (22010, 1423990), (22294, 1405850), (22675, 1382228), (24335, 1287940), (28117, 1114700), (44020, 711995), (44588, 702925), (45350, 691114), (48670, 643970), (55025, 569596), (55735, 562340), (56234, 557350), (64397, 486700), (90700, 345557), (97340, 321985), (110050, 284798), (111470, 281170), (112468, 278675), (121675, 257588), (128794, 243350), (140585, 222940), (142399, 220100)]