2019945497890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1\times {\mathrm{219031}}^1$

素因数の和:219559

約数の個数: 64

約数和(自身を含む): 3815151943680

約数和(自身を除く): 1795206445790

約数列:

[1, 2, 5, 10, 31, 62, 71, 142, 155, 310, 355, 419, 710, 838, 2095, 2201, 4190, 4402, 11005, 12989, 22010, 25978, 29749, 59498, 64945, 129890, 148745, 219031, 297490, 438062, 922219, 1095155, 1844438, 2190310, 4611095, 6789961, 9222190, 13579922, 15551201, 31102402, 33949805, 67899610, 77756005, 91773989, 155512010, 183547978, 458869945, 482087231, 917739890, 964174462, 2410436155, 2844993659, 4820872310, 5689987318, 6515953219, 13031906438, 14224968295, 28449936590, 32579766095, 65159532190, 201994549789, 403989099578, 1009972748945, 2019945497890]

約数ペア:

[(1, 2019945497890), (2, 1009972748945), (5, 403989099578), (10, 201994549789), (31, 65159532190), (62, 32579766095), (71, 28449936590), (142, 14224968295), (155, 13031906438), (310, 6515953219), (355, 5689987318), (419, 4820872310), (710, 2844993659), (838, 2410436155), (2095, 964174462), (2201, 917739890), (4190, 482087231), (4402, 458869945), (11005, 183547978), (12989, 155512010), (22010, 91773989), (25978, 77756005), (29749, 67899610), (59498, 33949805), (64945, 31102402), (129890, 15551201), (148745, 13579922), (219031, 9222190), (297490, 6789961), (438062, 4611095), (922219, 2190310), (1095155, 1844438)]