391079260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:476

約数の個数: 144

約数和(自身を含む): 1006016256

約数和(自身を除く): 614936996

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 31, 44, 52, 55, 62, 65, 110, 121, 124, 130, 143, 155, 220, 242, 260, 286, 310, 341, 401, 403, 484, 572, 605, 620, 682, 715, 802, 806, 1210, 1364, 1430, 1573, 1604, 1612, 1705, 2005, 2015, 2420, 2860, 3146, 3410, 3751, 4010, 4030, 4411, 4433, 5213, 6292, 6820, 7502, 7865, 8020, 8060, 8822, 8866, 10426, 12431, 15004, 15730, 17644, 17732, 18755, 20852, 22055, 22165, 24862, 26065, 31460, 37510, 44110, 44330, 48521, 48763, 49724, 52130, 57343, 62155, 75020, 88220, 88660, 97042, 97526, 104260, 114686, 124310, 136741, 161603, 194084, 195052, 229372, 242605, 243815, 248620, 273482, 286715, 323206, 485210, 487630, 546964, 573430, 630773, 646412, 683705, 808015, 970420, 975260, 1146860, 1261546, 1367410, 1504151, 1616030, 1777633, 2523092, 2734820, 3008302, 3153865, 3232060, 3555266, 6016604, 6307730, 7110532, 7520755, 8888165, 12615460, 15041510, 17776330, 19553963, 30083020, 35552660, 39107926, 78215852, 97769815, 195539630, 391079260]

約数ペア:

[(1, 391079260), (2, 195539630), (4, 97769815), (5, 78215852), (10, 39107926), (11, 35552660), (13, 30083020), (20, 19553963), (22, 17776330), (26, 15041510), (31, 12615460), (44, 8888165), (52, 7520755), (55, 7110532), (62, 6307730), (65, 6016604), (110, 3555266), (121, 3232060), (124, 3153865), (130, 3008302), (143, 2734820), (155, 2523092), (220, 1777633), (242, 1616030), (260, 1504151), (286, 1367410), (310, 1261546), (341, 1146860), (401, 975260), (403, 970420), (484, 808015), (572, 683705), (605, 646412), (620, 630773), (682, 573430), (715, 546964), (802, 487630), (806, 485210), (1210, 323206), (1364, 286715), (1430, 273482), (1573, 248620), (1604, 243815), (1612, 242605), (1705, 229372), (2005, 195052), (2015, 194084), (2420, 161603), (2860, 136741), (3146, 124310), (3410, 114686), (3751, 104260), (4010, 97526), (4030, 97042), (4411, 88660), (4433, 88220), (5213, 75020), (6292, 62155), (6820, 57343), (7502, 52130), (7865, 49724), (8020, 48763), (8060, 48521), (8822, 44330), (8866, 44110), (10426, 37510), (12431, 31460), (15004, 26065), (15730, 24862), (17644, 22165), (17732, 22055), (18755, 20852)]