209500980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{6551}}^1$

素因数の和:6617

約数の個数: 96

約数和(自身を含む): 647232768

約数和(自身を除く): 437731788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 41, 52, 60, 65, 78, 82, 123, 130, 156, 164, 195, 205, 246, 260, 390, 410, 492, 533, 615, 780, 820, 1066, 1230, 1599, 2132, 2460, 2665, 3198, 5330, 6396, 6551, 7995, 10660, 13102, 15990, 19653, 26204, 31980, 32755, 39306, 65510, 78612, 85163, 98265, 131020, 170326, 196530, 255489, 268591, 340652, 393060, 425815, 510978, 537182, 805773, 851630, 1021956, 1074364, 1277445, 1342955, 1611546, 1703260, 2554890, 2685910, 3223092, 3491683, 4028865, 5109780, 5371820, 6983366, 8057730, 10475049, 13966732, 16115460, 17458415, 20950098, 34916830, 41900196, 52375245, 69833660, 104750490, 209500980]

約数ペア:

[(1, 209500980), (2, 104750490), (3, 69833660), (4, 52375245), (5, 41900196), (6, 34916830), (10, 20950098), (12, 17458415), (13, 16115460), (15, 13966732), (20, 10475049), (26, 8057730), (30, 6983366), (39, 5371820), (41, 5109780), (52, 4028865), (60, 3491683), (65, 3223092), (78, 2685910), (82, 2554890), (123, 1703260), (130, 1611546), (156, 1342955), (164, 1277445), (195, 1074364), (205, 1021956), (246, 851630), (260, 805773), (390, 537182), (410, 510978), (492, 425815), (533, 393060), (615, 340652), (780, 268591), (820, 255489), (1066, 196530), (1230, 170326), (1599, 131020), (2132, 98265), (2460, 85163), (2665, 78612), (3198, 65510), (5330, 39306), (6396, 32755), (6551, 31980), (7995, 26204), (10660, 19653), (13102, 15990)]